Revert "Roll DevTools Frontend from b6f22fe80638 to f36682af28e2 (1 revision)"

This reverts commit a0522042.

Reason for revert: No good reason, but this build causes a compilation error. No clear culprit. https://ci.chromium.org/p/chromium/builders/ci/Mac%20ASan%2064%20Builder/104190

Original change's description:
> Roll DevTools Frontend from b6f22fe80638 to f36682af28e2 (1 revision)
> 
> https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/b6f22fe80638..f36682af28e2
> 
> 2020-08-31 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools Chromium DEPS.
> 
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/devtools-frontend-chromium
> Please CC devtools-waterfall-sheriff-onduty@grotations.appspotmail.com on the revert to ensure that a human
> is aware of the problem.
> 
> To report a problem with the AutoRoller itself, please file a bug:
> https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug
> 
> Documentation for the AutoRoller is here:
> https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md
> 
> Bug: None
> Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
> Change-Id: I36dc0e3b5f615bdce8a95973f1fbfd7ac8c61611
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2384520
> Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#803028}

TBR=chromium-autoroll@skia-public.iam.gserviceaccount.com,devtools-waterfall-sheriff-onduty@grotations.appspotmail.com

Change-Id: I5f83210f4dba60997d57602d00694b50e02959e9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: None
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2382120Reviewed-by: Maxim Kolosovskiy  <kolos@chromium.org>
Commit-Queue: Maxim Kolosovskiy  <kolos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803042}

DEPS

@@ -266,7 +266,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': 'f36682af28e2321af6a2f1824c38085a721807c6',
+  'devtools_frontend_revision': 'b6f22fe806387642b9ecd83d6671a9c501a75e42',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.